
Hazelnut Fertilization Program
Annual foliar nutrition program for hazelnut (Updated 2022).
Annual foliar nutrition program for hazelnut (Updated 2022).

Purpose of the Program
This program is a combined foliar nutrition program prepared without basing it on soil and/or leaf analysis, composed of the macro and micro plant nutrients that the plant will optimally need throughout the season. All products recommended within the program are mixable and should be mixed in the given order. A jar test is recommended before application. The programs are advisory in nature and may be modified according to soil or leaf analyses. Any liabilities arising from applications belong to the user. The insecticides, acaricides and fungicides to be used during applications must be licensed products recommended by the Ministry. Liability for products used other than those produced by Agrotroia belongs to the user.
Warnings
- The products specified in the program must be mixed with water in the given order (1-2-3-4, etc.).
- It is recommended to carry out the application in the evening hours or on mornings without dew.
- There should be no rainfall for an average of 4 hours after the application is made.
- This nutrition program may not be copied without permission, used for purposes other than intended, or quoted.
- Agrotroia reserves the right to make changes to the nutrition program without notifying its affiliates.
Stage-Specific Application Program
Step-by-step, balanced nutrition applications according to the plant's growth stage.
1st Application Period
After Harvest
- 100 L water / 1000 cc Copperas (5% Copper Sulfate + organic acid + L-amino acids)
- 100 L water / 250 cc Phosforico (0-9-11 phosphite-based)
- 100 L water / 250 cc B-Zinc (Boron 11% + Zinc 8% + Manganese 2%)
Purpose of the Application: Post-harvest care is important for all plants; during this process, plants create their crop programs for the following year.
2nd Application Period
End of March - Beginning of April
- 100 L water / 500 cc Copperas (5% Copper Sulfate + organic acid + L-amino acids)
- 100 L water / 250 cc Liquid S-80 (Liquid sulfur (in S form) soil reclamation)
- 100 L water / 250 cc Vital (5-11-11 + Micro Element + Amino Acid)
- 100 L water / 250 cc Combi (Chelated combined micronutrient (B, Cu, Fe, Mn, Mo, Zn))
Purpose of the Application: While resistance against powdery mildew is provided with Copperas and Liquid S-80, complete nutrition is ensured with the micro and macro nutrient elements of Vital and Combi.
3rd Application Period
During the Month of May
- 100 L water / 500 cc Copperas (5% Copper Sulfate + organic acid + L-amino acids)
- 100 L water / 250 cc Activo (Organic + inorganic acid complex pH reducer)
- 100 L water / 250 cc Calcio (Calcium (CaO) with uptake facilitated by propionate)
- 100 L water / 250 cc Oceano Mix (Fortified liquid seaweed + 17 amino acids)
Purpose of the Application: While the plant is protected from fungal diseases with fruit set, fruit stalk quality will be supported with calcium.
4th Application Period
June - July
- 100 L water / 500 cc Copperas (5% Copper Sulfate + organic acid + L-amino acids)
- 100 L water / 250 cc Liquid S-80 (Liquid sulfur (in S form) soil reclamation)
- 100 L water / 250 cc Vital (5-11-11 + Micro Element + Amino Acid)
- 100 L water / 250 cc Aminado (8 types of free amino acids + organic matter)
Purpose of the Application: This is an application that should be carried out to feed the fruit during the fruit development period without allowing disease.
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